Schedules (Requires Schedule Device); Optimum Start; Scenes - Tekmar 527 Installation & Operation Manual

Schedules (Requires schedule device)

This thermostat can follow a programmable schedule in order
to automatically lower the room temperature setting.
Lowering the room temperature setting reduces the amount
of fuel required to heat the building resulting in energy
savings.
For this thermostat to follow a schedule, a device called a
schedule master is required. A schedule master can be a
programmable tekmarNet
542, 543, 544, 545, 546), a programmable tekmarNet
Timer 033, or other tekmarNet
are a schedule master.
The schedule master may support multiple system
schedules. Thermostats 528 and 530 can follow system
schedule 1, 2, 3, or 4. Thermostat 527 can only follow
system schedule 1.

Optimum Start

When a programmable schedule is selected, there is a time
delay for the temperature to change from the
to the temperature.
The thermostat uses an Optimum Start feature to predict
the heat up rate of the room. The optimum start feature
allows the room to reach the set room
the time set in the programmable schedule.
During the time period, the user may notice the heat
being on even though the room temperature is above the
set room temperature. This is due to the Optimum Start
feature heating the room in order to reach the
on time.

Scenes

Scenes are only available when a User Switch is installed
on the network.
Scenes are system wide manual overrides. By changing the
Scene, all participating thermostats change their operating
temperature at the same time. The Scene overrides any
time-scheduled changes in temperature.
The purpose of scenes is to provide a quick and convenient
method to lower the heating temperature (or raise the
cooling temperature) on multiple thermostats throughout a
building. This reduces the amount of fuel required to heat
the building, resulting in energy savings.
Scenes are often used when leaving on vacation, holidays,
or special events.
User Switch
© 2009 D 527 - 06/09
® Thermostat (such as models
® devices that indicate they
temperature
temperature by
temperature
To follow a schedule:
• Select DIP switch setting 1 to Setback (On position).
• Locate the schedule item in the Adjust menu. Select
system schedule 1, 2, 3, or 4.
tN2 Thermostats
®
tN2 Communication
The Optimum Start applies for both the heating and the
cooling systems.
Room
Temp.
In order to use the Scene feature, a device called a User
Switch (sold separately) can be used to change the Scene
number.
This thermostat supports Scenes 1, 2, and 3. Scenes 4
through 8 are not supported. Should a permanent Scene
4 or 5 be activated, the thermostat operates in Scene
1. Should a temporary Scene 6, 7, or 8 be activated,
the thermostat does not change and remains in the last
supported Scene.
tekmarNet ® Thermostats can participate with Scenes when
switch setting 2 is set to Scene (On position).
Scene Room Temperature Setting
Follows programmable schedule if
1 available. If there is no schedule, operates
at the occupied
2 Away temperature.
3
Unoccupied
20 of 28
Schedule Master
Programmable
Schedule
Device
tekmarNet
tN4 Communication
System
Control
Optimum Start
10P.M. 5A.M. 8A.M.
Setback
Period
Optimum
Start
Recovery Period
temperature.
temperature.
Occ
70°F (21°C)
UnOcc
65°F (18°C)